code: def _make_shortcut(self, inplane, planes):
      return nn.Sequential(
          nn.utils.spectral_norm(
              nn.Conv2D(
                  inplane,
                  planes,
                  kernel_size=3,
                  padding=1,
                  bias_attr=False,
              )
          ),
          nn.ReLU(),
          self._norm_layer(planes),
          nn.utils.spectral_norm(
              nn.Conv2D(
                  planes,
                  planes,
                  kernel_size=3,
                  padding=1,
                  bias_attr=False,
              )
          ),
          nn.ReLU(),
          self._norm_layer(planes),
      )
  
imports: import paddle
  import paddle.nn
  import paddle.nn.functional
  from paddleseg.cvlibs import manager, param_init
  from paddleseg.utils import utils
  from ppmatting.models.layers import GuidedCxtAtten
label_desc: Use image node_id 3 for calling the ResGuidedCxtAtten obj's underlying member method code with example usage: obj._make_shortcut(inplane, planes) and returns: nn